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Morino, Kiyomi Ann. 2008. ?Using False Rings To Reconstruct Local Drought Severity Patterns On A Semiarid River?. Geography And Regional Development. Geography And Regional Development. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=1500068401&sid=3&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Cook, Edward Roger. 1985. ?The Use And Limitation Of Dendrochronology In Studying The Effects Of Air Pollution On Forests?. Proceedings Of Nato Advanced Research Workshop: Effects Of Acidic Deposition On Forests, Wetlands And Agricultural Ecosystems. Proceedings Of Nato Advanced Research Workshop: Effects Of Acidic Deposition On Forests, Wetlands And Agricultural Ecosystems.

Merkel, Hubert. 1984. ?Über Den Witterungseinfluß Auf Die Jahrringstruktur Der Gemeinen Keifer (Pinus Silvestris L.)?. University of Freiburg.

Ferguson, CW. 1980. ?Unsolicited Proposal Submitted To The Department Of Energy For Dendrochronology Of Bristlecone Pine?. Tucson: Laboratory of Tree-Ring Research.

Douglass, AE. 1923. ?University Of Arizona Eclipse Expedition?. Popular Astronomy. Popular Astronomy.

Douglass, AE. 1923. ?University Of Arizona Eclipse Expedition, Port Libertad, Sonora, Mexico?. Publications Of The Astronomical Society Of The Pacific XXXVI (No. 212). Publications Of The Astronomical Society Of The Pacific.